/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) STMicroelectronics SA 2017
 *
 * Authors: Philippe Cornu <philippe.cornu@st.com>
 *          Yannick Fertre <yannick.fertre@st.com>
 */

#ifndef H_DW_MIPI_DSI_H
#define H_DW_MIPI_DSI_H

#include <linux/types.h>

#include <drm/drm_modes.h>

struct drm_display_mode;
struct drm_encoder;
struct dw_mipi_dsi;
struct mipi_dsi_device;
struct platform_device;

struct dw_mipi_dsi_dphy_timing {
    u16 data_hs2lp;
    u16 data_lp2hs;
    u16 clk_hs2lp;
    u16 clk_lp2hs;
};

struct dw_mipi_dsi_phy_ops {
    int (*init)(void *priv_data);
    void (*power_on)(void *priv_data);
    void (*power_off)(void *priv_data);
    int (*get_lane_mbps)(void *priv_data, const struct drm_display_mode *mode, unsigned long mode_flags, u32 lanes,
                         u32 format, unsigned int *lane_mbps);
    int (*get_timing)(void *priv_data, unsigned int lane_mbps, struct dw_mipi_dsi_dphy_timing *timing);
    int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
};

struct dw_mipi_dsi_host_ops {
    int (*attach)(void *priv_data, struct mipi_dsi_device *dsi);
    int (*detach)(void *priv_data, struct mipi_dsi_device *dsi);
};

struct dw_mipi_dsi_plat_data {
    void __iomem *base;
    unsigned int max_data_lanes;

    enum drm_mode_status (*mode_valid)(void *priv_data, const struct drm_display_mode *mode);

    const struct dw_mipi_dsi_phy_ops *phy_ops;
    const struct dw_mipi_dsi_host_ops *host_ops;

    void *priv_data;
};

struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev, const struct dw_mipi_dsi_plat_data *plat_data);
void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
struct drm_connector *dw_mipi_dsi_get_connector(struct dw_mipi_dsi *dsi);

#endif /* __DW_MIPI_DSI__ */
